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Commit 55fb25d5 authored by Dave Chinner's avatar Dave Chinner Committed by Alex Elder
Browse files

xfs: add size update tracepoint to IO completion 



For improving insight into IO completion behaviour.

Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAlex Elder <aelder@sgi.com>
parent af3e4022

fs/xfs/linux-2.6/xfs_aops.c

+1 −0
Original line number Diff line number Diff line
@@ -181,6 +181,7 @@ xfs_setfilesize( 


	isize = xfs_ioend_new_eof(ioend);

	if (isize) {

		trace_xfs_setfilesize(ip, ioend->io_offset, ioend->io_size);

		ip->i_d.di_size = isize;

		xfs_mark_inode_dirty(ip);

	}

fs/xfs/linux-2.6/xfs_trace.h

+8 −4
Original line number Diff line number Diff line
@@ -998,7 +998,8 @@ DECLARE_EVENT_CLASS(xfs_simple_io_class, 
	TP_STRUCT__entry(

		__field(dev_t, dev)

		__field(xfs_ino_t, ino)

		__field(loff_t, size)

		__field(loff_t, isize)

		__field(loff_t, disize)

		__field(loff_t, new_size)

		__field(loff_t, offset)

		__field(size_t, count)
@@ -1006,16 +1007,18 @@ DECLARE_EVENT_CLASS(xfs_simple_io_class, 
	TP_fast_assign(

		__entry->dev = VFS_I(ip)->i_sb->s_dev;

		__entry->ino = ip->i_ino;

		__entry->size = ip->i_d.di_size;

		__entry->isize = ip->i_size;

		__entry->disize = ip->i_d.di_size;

		__entry->new_size = ip->i_new_size;

		__entry->offset = offset;

		__entry->count = count;

	),

	TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx "

	TP_printk("dev %d:%d ino 0x%llx isize 0x%llx disize 0x%llx new_size 0x%llx "

		  "offset 0x%llx count %zd",

		  MAJOR(__entry->dev), MINOR(__entry->dev),

		  __entry->ino,

		  __entry->size,

		  __entry->isize,

		  __entry->disize,

		  __entry->new_size,

		  __entry->offset,

		  __entry->count)
@@ -1028,6 +1031,7 @@ DEFINE_EVENT(xfs_simple_io_class, name, \ 
DEFINE_SIMPLE_IO_EVENT(xfs_delalloc_enospc);

DEFINE_SIMPLE_IO_EVENT(xfs_unwritten_convert);

DEFINE_SIMPLE_IO_EVENT(xfs_get_blocks_notfound);

DEFINE_SIMPLE_IO_EVENT(xfs_setfilesize);



DECLARE_EVENT_CLASS(xfs_itrunc_class,

	TP_PROTO(struct xfs_inode *ip, xfs_fsize_t new_size),